In the Medieval Era you will continue expanding your empire, attempting to secure more resources, more City-State allies, and convert more cities to your Religion. You will keep establishing trade routes, you will secure your first treaties with other nations, and lay the groundwork for your cultural expansion by creating your first Great Works.

Advances in metalworking will allow you to upgrade your units to their next-era, much more powerful versions. The new weapons present an increased threat to all cities, so beware!

Finally, the Education technology will provide a host of new options for research and technological development - a necessary boost to push your empire into the future.